GLvoid InitGL(GLvoid) {
int i;
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
// This Will Clear The Background Color To Black
glClearDepth(1.0);
// Enables Clearing Of The Depth Buffer
glDepthFunc(GL_LESS);
// The Type Of Depth Test To Do
glEnable(GL_DEPTH_TEST);
// Enables Depth Testing
glShadeModel(GL_SMOOTH);
// Enables Smooth Color Shading
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// Reset The Projection Matrix
gluPerspective(45.0f,
(GLfloat)kWindowWidth/(GLfloat)kWindowHeight,0.1f,100.0f);
// Calculate The Aspect Ratio Of The Window
glMatrixMode(GL_MODELVIEW);
for (i=0; i<N; i++) {
mr[i].r = rect_open();
rect_init(mr[i].r, RECT5whxyz
,drand()/5.0+0.1,drand()/5.0+0.1,
drand(),drand(),drand());
rect_setcolor(mr[i].r, drand(), drand(), drand());
mr[i].dx=drand()/10;
mr[i].dy=mr[i].dx;
} /*for*/
}
void
dbox (iImage * dest, int x, int y, int end_x, int end_y, int r, int g, int b)
{
int r2, g2, b2;
r2 = r + 100;
g2 = g + 100;
b2 = b + 100;
if (r2 > 255)
r2 = 255;
if (g2 > 255)
g2 = 255;
if (b2 > 255)
b2 = 255;
rect (dest, x + 4, y + 4, end_x - 4, end_y - 4, r2, g2, b2);
r2 = r + 75;
g2 = g + 75;
b2 = b + 75;
if (r2 > 255)
r2 = 255;
if (g2 > 255)
g2 = 255;
if (b2 > 255)
b2 = 255;
rect_open (dest, x + 3, y + 3, end_x - 3, end_y - 3, r2, g2, b2);
r2 = r + 50;
g2 = g + 50;
b2 = b + 50;
if (r2 > 255)
r2 = 255;
if (g2 > 255)
g2 = 255;
if (b2 > 255)
b2 = 255;
rect_open (dest, x + 2, y + 2, end_x - 2, end_y - 2, r2, g2, b2);
r2 = r + 25;
g2 = g + 25;
b2 = b + 25;
if (r2 > 255)
r2 = 255;
if (g2 > 255)
g2 = 255;
if (b2 > 255)
b2 = 255;
rect_open (dest, x + 1, y + 1, end_x - 1, end_y - 1, r2, g2, b2);
rect_open (dest, x, y, end_x, end_y, r, g, b);
}